Mercury Precision Lubricants- SAE 15W-40 Heavy Duty Diesel Oil
Superior performance in marine diesel applications:
Mercury Diesel Engine Oil has been formulated to meet the demanding needs of marine diesel engines.
Containing higher additive levels compared to standard fleet oils, this SAE 15W-40 marine diesel engine oil provides increased protection.
Continued use of Mercury Engine Diesel Oil will:
- Provide excellent shear stability to assure stay-in-grade performance.
- Protect internal components from corrosion and wear.
- Helps control deposits even in highly stressed engines.
- Combat sludge and varnish deposits.
Provides superior anti-foaming properties.
Controls soot, deposits and oil thickening.











